gaviscon advance
Launch itA $6.7M/yr market growing +3.4% this quarter with returns at 0.0% — clears our launch bar.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Market size
Incredible$6.7M$6.7M/yr · 1.4M searches
Conversion
Incredible14.6%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$33.23avg listing price — sweet spot $15–$100
Price range
Great$8.86–$67.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay1,770.15avg incumbent reviews — the moat a new listing must climb
Growth
Okay+3.4%90-day search growth — must beat 0% to launch
Competition
Bad78%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, gaviscon advance is a $6.7M/yr Amazon United States market (1.4M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar. Verdict: Launch it — 58/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
gaviscon advance market data
- Units sold / yr
- 200K–250K
- avg 30,000–40,000/product
- Revenue / yr
- $6.6M–$8.3M
- units × avg price
- Conversion rate
- 14.6%
- Avg BSR
- #146
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 38%
- Out of stock
- 0.0%
- Avg brand age
- 78 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 rising
Sellers
49
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
0%
- Gaviscon74%
- Generic20%
- VERBASA CONFEC4%
- RefluxRaft2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +3.4% search growth over the last 90 days.Peak months: Mar · busiest ÷ quietest = 2.2×
Top gaviscon advance search terms
- gaviscon510K/yr
- gaviscon advance322K/yr
- gaviscon extra strength tablets151K/yr
- gaviscon advance uk104K/yr
- gaviscon extra strength liquid38K/yr
- gaviscon advance liquid77K/yr
- gaviscon liquid32K/yr
- gaviscon advance uk version19K/yr
- gaviscon tablets25K/yr
- gaviscon double action33K/yr
Top gaviscon advance products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Gaviscon Extra Strength Cherry Chewable Tablet For Fast-Acting Heartburn Relief 100 Count
Gaviscon$9.844.7★9,803 rev
Gaviscon Extra Strength Cool Mint Liquid Antacid for Fast-Acting Heartburn Relief 12 Ounces
Gaviscon$8.864.7★5,986 rev
Advance Aniseed 150ml Liquid | 3 Pack | 2 Measuring Cups 30ml
Generic$57.114.2★37 rev
Gaviscon Extra Strength Fruit Antacid 60 Tablets
Gaviscon$29.484.5★2,353 rev
Advance Aniseed 150ml Liquid (2 Pack) with 2 Measuring Cups
Generic$34.324.3★22 rev
Newest
by launch dateAdvance Aniseed 150ml Liquid (2 Pack) with 2 Measuring Cups
Generic$34.3222 rev
GAV Advance Aniseed Flavour 500ML - 2 PACK (2 Measuring Cups Free 30ml)
VERBASA CONFEC$67.399 rev
Advance Aniseed 150ml Liquid | 3 Pack | 2 Measuring Cups 30ml
Generic$57.1137 rev
Advance Mint Chewable Tablets 60 Pack Mint - 2 Pack
Generic$48.3457 rev
Advance Mint Chewable Tablets 60 Pack Mint - 1 Pack
Generic$29.23102 rev
Trending
90-day click momentum
Gaviscon Extra Strength Cherry Liquid Antacid for Fast-Acting Heartburn Relief 12 ounces
Gaviscon$10.284.6★
Advance Aniseed 150ml Liquid (2 Pack) with 2 Measuring Cups
Generic$34.324.3★
GAV Advance Aniseed Flavour 500ML - 2 PACK (2 Measuring Cups Free 30ml)
VERBASA CONFEC$67.394.1★
Advance Aniseed 150ml Liquid | 3 Pack | 2 Measuring Cups 30ml
Generic$57.114.2★
Gaviscon Double Action Tablets 24 Mint
Gaviscon$27.604.7★
What buyers say about gaviscon advance
What buyers praise and complain about, mined from review topics.What buyers love
“stops indigestion immediately”
“GOOD PRODUCT GOOD SELLER”
“It does work”
“Really helps with my acid reflux”
“no heart burn”
“Tastes great and works as stated”
“The price is amazing”
“AS ADVERTISED”
“Good flavor choices”
“Great relief when my throat”
What buyers complain about
“The taste is gross”
“Overpriced”
“Didnt work”
“Acid Reflux Product does not work”
“gave me stomach cramps”
“I do not like the Lemon Ginger flavor at all”
“Cant swallow”
“The texture is thick”
“I was having very bad heartburn”
“This is deceptive”
Top return reasons
Common questions
- Is gaviscon advance profitable to sell on Amazon United States?
- The niche generates $6.7M/yr across 13 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +3.4%. Flapen's verdict: Launch it (58/100).
- How competitive is the gaviscon advance niche?
- 4 brands and 49 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in gaviscon advance?
- Top complaints mined from reviews: Taste-Overall, Value For Money, Functionality-Overall. The return rate is 0.0%.
- When does demand for gaviscon advance peak?
- Demand peaks in Mar; the busiest month runs 2.2× the quietest.
- What does it cost to enter the gaviscon advance niche?
- Listings span $8.86–$67.39; the average listing price is $33.23 (sweet spot $15–$100). The average incumbent carries 1,770 reviews — the moat a new listing must climb.